Overview

overview

10

Static

static

10

dcdb95f858...1b.exe

windows10-2004-x64

10

dcdb95f858...1b.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    04/08/2026, 17:51

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General

  • Target
    dcdb95f8583ab3377d5675c8357e2e038a5469334b368d8f570a0e2769ee111b.exe
  • Size 45KB
  • Sample260804-wfhdqswfle
  • SHA256 dcdb95f8583ab3377d5675c8357e2e038a5469334b368d8f570a0e2769ee111b
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultcommand_and_controldefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • sexviet3x.pro:80

  • sexviet3x.pro:22

  • sexviet3x.pro:8080

  • sexviet3x.pro:8880

  • sexviet3x.pro:2052

  • sexviet3x.pro:2082

  • sexviet3x.pro:2086

  • sexviet3x.pro:2095

  • sexviet3x.pro:443

  • sexviet3x.pro:2053

  • sexviet3x.pro:2083

  • sexviet3x.pro:2087

  • sexviet3x.pro:2096

  • sexviet3x.pro:8443

  • www.sexviet3x.pro:80

  • www.sexviet3x.pro:22

  • www.sexviet3x.pro:8080

  • www.sexviet3x.pro:8880

  • www.sexviet3x.pro:2052

  • www.sexviet3x.pro:2082

Mutex

  • R8htaFkH4Fii

Attributes
  • delay

    0

  • install

    true

  • install_file

    0lnp98k.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • Family: AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

    ratasyncrat
  • Async RAT payload 1 IoCs
    rat
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Outbound SSH connection to public host 2 TTPs 2 IoCs

    SSH is used for remote access. This may indicate SSH host discovery, encrypted C2 traffic, or data exfiltration.

    command_and_control
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Executes a command shell one-liner 1 TTPs 2 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

    execution
  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Delays execution with timeout.exe 1 IoCs
    defense_evasion
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 21 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dcdb95f8583ab3377d5675c8357e2e038a5469334b368d8f570a0e2769ee111b.exe
    "C:\Users\Admin\AppData\Local\Temp\dcdb95f8583ab3377d5675c8357e2e038a5469334b368d8f570a0e2769ee111b.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1464
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "0lnp98k" /tr '"C:\Users\Admin\AppData\Roaming\0lnp98k.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1984
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "0lnp98k" /tr '"C:\Users\Admin\AppData\Roaming\0lnp98k.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4436
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp3A83.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4352
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:4960
      • C:\Users\Admin\AppData\Roaming\0lnp98k.exe
        "C:\Users\Admin\AppData\Roaming\0lnp98k.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1980
  • C:\Users\Admin\AppData\Roaming\0lnp98k.exe
    "C:\Users\Admin\AppData\Roaming\0lnp98k.exe"
    1⤵
    • Executes dropped EXE
    • Outbound SSH connection to public host
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:3740

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp3A83.tmp.bat
        • Path C:\Users\Admin\AppData\Local\Temp\tmp3A83.tmp.bat
        • Size 151B
        • SHA256 9f452555cbbe2f24d8c82a67dee2011e700414eec2d64308c6462365c12ab679
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        0lnp98k.exe
        • Path C:\Users\Admin\AppData\Roaming\0lnp98k.exe
        • Size 45KB
        • SHA256 dcdb95f8583ab3377d5675c8357e2e038a5469334b368d8f570a0e2769ee111b
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/1464-0-0x0000000000EF0000-0x0000000000F02000-memory.dmp
        Download

        memory/1464-1-0x00000000058B0000-0x00000000058C0000-memory.dmp
        Download

        memory/1464-2-0x00000000058C0000-0x000000000595C000-memory.dmp
        Download

        memory/3740-10-0x0000000005580000-0x0000000005590000-memory.dmp
        Download

        memory/3740-13-0x0000000005580000-0x0000000005590000-memory.dmp
        Download